<head>
  <style> body { margin: 0; } </style>

  <script src="//unpkg.com/three"></script>

  <script src="//unpkg.com/3d-force-graph"></script>
  <!--<script src="../../dist/3d-force-graph.js"></script>-->
</head>

<body>
  <div id="3d-graph"></div>

  <script>
    const imgs = ['cat.jpg', 'dog.jpg', 'eagle.jpg', 'elephant.jpg', 'grasshopper.jpg', 'octopus.jpg', 'owl.jpg', 'panda.jpg', 'squirrel.jpg', 'tiger.jpg', 'whale.jpg'];

    // Random connected graph
    const gData = {
      nodes: imgs.map((img, id) => ({ id, img })),
      links: [...Array(imgs.length).keys()]
        .filter(id => id)
        .map(id => ({
          source: id,
          target: Math.round(Math.random() * (id-1))
        }))
    };

    const Graph = ForceGraph3D()
      (document.getElementById('3d-graph'))
      .nodeThreeObject(({ img }) => {
        const imgTexture = new THREE.TextureLoader().load(`./imgs/${img}`);
        const material = new THREE.SpriteMaterial({ map: imgTexture });
        const sprite = new THREE.Sprite(material);
        sprite.scale.set(12, 12);
        return sprite;
      })
      .graphData(gData);
  </script>
</body>